Sun Prairie, Wisconsin
Banks & credit unions in Sun Prairie
12 federally insured institutions operate a branch in Sun Prairie, Wisconsin, across 12 locations.
Each institution’s branch count below is for Sun Prairie only. Select one to see its branches in this town.
| # | Institution | Type | Branches in Sun Prairie | Total assets |
|---|---|---|---|---|
| 1 | Bank of Sun Prairie | Bank | 3 | $716.6M |
| 2 | Summit | Credit union | 2 | $8.3B |
| 3 | JPMorgan Chase Bank, National Association | Bank | 1 | $4.02T |
| 4 | U.S. Bank National Association | Bank | 1 | $683.38B |
| 5 | BMO Bank National Association | Bank | 1 | $251.96B |
| 6 | Old National Bank | Bank | 1 | $72.61B |
| 7 | Associated Bank, National Association | Bank | 1 | $45.54B |
| 8 | Johnson Bank | Bank | 1 | $7.01B |
| 9 | University of Wisconsin | Credit union | 1 | $6.6B |
| 10 | One Community Bank | Bank | 1 | $2.55B |
| 11 | Starion Bank | Bank | 1 | $2.14B |
| 12 | The Park Bank | Bank | 1 | $1.53B |
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026